<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户登录</title>
</head>
<body>
    <form action="/login/" method="post">
        {% if error %}
        <span style="color:red">{{error}}</span>
        {% endif %}
        <input type="password" name="password" />
        <input type="submit" value="登录" />
    </form>


</body>
</html>